Cardiovascular System Physiology Quiz
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Questions and Answers

Which term describes the ability of cardiac cells to respond to an electrical impulse?

  • Conductivity
  • Excitability (correct)
  • Contractility
  • Automaticity
  • What is the term for the ability of cardiac pacemaker cells to spontaneously initiate an electrical impulse?

  • Excitability
  • Contractility
  • Automaticity (correct)
  • Conductivity
  • What is the term for the ability of cardiac cells to receive an electrical stimulus and conduct that impulse to an adjacent cardiac cell?

  • Contractility
  • Conductivity (correct)
  • Excitability
  • Automaticity
  • Which term describes the ability of cardiac cells to shorten, causing cardiac muscle contraction in response to an electrical stimulus?

    <p>Contractility</p> Signup and view all the answers

    What is the result of the brief (rapid) flow of charged ions back & forth across the cell membrane?

    <p>Electrical impulses</p> Signup and view all the answers

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